Diagnostic trend analysis

Details Diagnostic trend analysis Diagnostic trend analysis

G - Physics

01

M

G01M 15/00 (2006.01) G05B 23/02 (2006.01)

Patent

CA 2218450

A diagnostic trend analysis method (10) is used to analyze engine trend data for aircraft engines. Appropriate trend parameters are calculated from raw trend data (12) and wild points associated with the calculated trend parameters are eliminated (14). Abnormal shifts and changes are detected (16) at the most recent point for each trend parameter. The abnormal shifts and changes in each trend parameter are then evaluated (18). The evaluation is used to filter out spurious symptoms and provide accurate maintenance recommendations for real engine trend shifts (18).

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